Online PHP editor | refs for 31XET

<?php class Profile { private $active = false; public function activate() { $this->active = true; } public function isActive() { return $this->active; } } interface Event { function execute($object); } class ProfileWasActivated implements Event { public function execute($profile) { if(!($profile instanceof Profile)) { throw new \InvalidArgumentException('Only Profiles allowed!'); } $profile->activate(); } } class EventDomainObjectLoader { public static function load($object, array $events) { foreach($events as $event) { if(!($event instanceof Event)) { throw new \InvalidArgumentException('Only Events allowed!'); } $event->execute($object); } return $object; } } $profile = EventDomainObjectLoader::load(new Profile(), [new ProfileWasActivated()]); var_dump($profile->isActive());